Portuguese People
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Radioactive Decay
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Same-Sex Marriage
Real Issues Right Answers »

San Antonio Spurs
Basketball, San Antonio,National Basketball Association, David Robinson (basketball), American Basketball Association, NBA Finals, George Gervin, »

Scientific Racism
Racism, Institutional racism, Propaganda, Nazi Germany, Superseded scientific theories, Craniometry, Ethnic group, Master race, Historical definitions of race. »

Security Interest
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Self-organization
Self- organization. Open system (systems theory), Emergence, Positive feedback, Negative feedback, Interaction, Discourse on the Method, The World (Descartes... »

Sexual Revolution
Margaret Mead, Coming of Age in Samoa, Free love, Meese Report, History of erotic depictions, Bowers v. Hardwick, LGBT social movements, Miscegenation, Ope... »

Southern Illinois
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Space Exploration
Space Exploration »